package com.loop.homework.phone;

public class SmartPhone extends Phone {
    public SmartPhone() {
        super();
    }

    public SmartPhone(String brand, double prince) {
        super(brand, prince);
    }

    /**
     * 智能手机额外的加强通话的功能
     */
    @Override
    public void call() {

        super.call();
        System.out.println("视频通话");
    }
}
